How do you know if a Virgo is interested?

Would he invite you for coffee? Chat all night with you? What are some signs you can think of?

Chatting all night?

You do realize that men ARE male, don't you?

Active desire to see you and make plans
Actions of affection
Subtle flirting, sometimes not so subtle
Lots of staring at you

yes deff lots of staring @ you. not much talk. even on dinner date. But you see it in his eyes.

questions....questions and yes plans that include you, even if in group settings.

they reorganize your cabinets and/or furniture.

they criticize u...lol

Asks lots of details and analytical questions when you give him conversation.
Calls you. Tries to make plans with you.
When you're around him, looks at you, and loses his usually loquaciousness.
Talks less around you.